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==Materials==
==Materials==
===Gravel===
===Gravel===
The type of medium sized aggregates recommended for gravel diaphragms are described in [[choker layer]]. In some contexts it may be desirable to apply a surface layer of more decorative aggregate, see [[stone]].
The type of medium sized aggregates recommended for gravel diaphragms are described in [[choker layer]]. In some contexts it may be desirable to apply a surface layer of more decorative [[stone]].
===[[Geotextiles]]===
===Geotextiles===
{{:Geotextiles}}
{{:Geotextiles}}